Test Drive: 2018 Ford Mustang GT: Is the refreshed 5.0 worth $ 50k?The Providence JournalThe refreshed 2018 Ford Mustang GT gets a lot of upgrades, from a new 10-speed transmission to a new customizable instrument cluster to 25 more ponies. But $ 52,000 is a lot of money for a lot of muscle car. A similarly equipped special edition Hot …